SOLUTION: A piece of drain pipe, Cylindrical in shape, Is 6 ft. Long. The wall of the pipe is 1/2 in. thick; the inner radius of the pipe is 16 in. Find the total area of the piece of pip

Algebra ->  Surface-area -> SOLUTION: A piece of drain pipe, Cylindrical in shape, Is 6 ft. Long. The wall of the pipe is 1/2 in. thick; the inner radius of the pipe is 16 in. Find the total area of the piece of pip      Log On


   



Question 1050242: A piece of drain pipe, Cylindrical in shape, Is 6 ft. Long. The wall of the pipe is 1/2 in. thick; the inner radius of the pipe is 16 in. Find the total area of the piece of pipe; inside, outside, edges. (Assume the pipe to be a right cylinder in shape. )
Answer by Alan3354(69443) About Me  (Show Source):
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A piece of drain pipe, Cylindrical in shape, Is 6 ft. Long. The wall of the pipe is 1/2 in. thick; the inner radius of the pipe is 16 in. Find the total area of the piece of pipe; inside, outside, edges. (Assume the pipe to be a right cylinder in shape. )
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It's 2 cylinders, inside & outside.
Lateral area = 2pi%2Ar%2Ah
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Each end is the area of the big circle - small circle.